RR Double Glazing restores clarity, insulation, and comfort with professional sealed glass unit repair and replacement for misted, foggy, and failed double-glazed windows and doors.
A sealed glass unit is the double-glazed panel made up of two panes of glass held apart by a spacer and sealed around the edge. When that seal fails, moisture can enter the gap between the panes, leaving misted double glazing and foggy glass that cannot be wiped away from the inside or the outside. RR Double Glazing provides sealed glass unit repair and replacement for property owners who want their windows put right without the expense of replacing the entire frame.
Our specialists inspect the affected window, confirm that the sealed unit is the cause of the problem, and recommend the most practical solution. In many cases, the frame is still in good condition, and only the failed glass unit needs replacing, which restores both the appearance and the thermal performance of the window.
Whether the property is residential or commercial, our experienced team measures accurately, fits carefully, and leaves the finish clean and tidy. We explain the likely cost, the options available, and what the work involves before anything begins, so you can make an informed decision.
Get Started with Our Services
At RR Double Glazing, we provide dependable sealed glass unit repair, fitting, and replacement across a wide range of glazed windows and doors. Our experts can help with misted or foggy units in:
A well-planned replacement helps achieve an accurate fit, a reliable seal, and a clean final finish. Our specialists follow a clear process so that every misted double glazing repair stays organised, safe, and focused on long-term performance.
Replacing only the glass within an existing frame is generally treated as repair work rather than a full window replacement, so it typically falls outside the FENSA scheme and the thermal requirements for replacement windows.
Where complete windows or doors are replaced in England, we follow the relevant Building Regulations guidance in Approved Document L.
We focus on addressing your queries as soon as possible, providing same-day solutions whenever you need them.
Our company is PLI approved, giving you the peace of mind that all the repairs will be handled professionally and covered financially.
All our replacements come with a one-year parts and workmanship guarantee, ensuring your peace of mind.
We don’t charge for site assessment and consultation; you will only need to pay us after the successful repair or installation.
Contact RR Double Glazing for reliable and affordable sealed glass unit repair, with professional fitting and replacement for misted and foggy windows, tailored to your home or business.
Choosing the right glazing company makes a real difference to how a repair looks, performs, and lasts. RR Double Glazing focuses on honest diagnosis, accurate measuring, careful workmanship, and clear communication, so you only pay for the work your windows genuinely need.
A misted unit is more than a cosmetic problem. Energy Saving Trust guidance, as summarised by local councils, explains that when the seal between the panes fails, that pane is no longer providing the insulation it was designed to. Replacing the failed sealed unit, rather than living with it, helps your window perform as intended and keeps your view clear.
Our team supports both residential and commercial customers, and we provide free quotes with no obligation. From the first inspection to the final check, we aim to leave every window clear, secure, and weathertight.
The clearest sign is mist, fog, or water droplets trapped between the two panes of glass that cannot be wiped away. Condensation on the inside or outside surface is usually a ventilation or humidity issue, whereas misting between the panes points to a failed seal.
Yes, in most cases. Sealed glass unit repair usually means replacing the failed glass unit while keeping the existing frame, provided the frame is sound and suitable. A professional inspection confirms whether the frame, hinges, and gaskets are in good enough condition.
The cost depends on the size of the unit, the type of glass, the frame, and how easy the window is to access. After an inspection and measurements, we provide a clear quote so you know what to expect before work begins.
A failed unit no longer insulates as designed, so replacing it restores the insulating performance of that window. A new sealed unit also removes the trapped moisture and brings back a clear view.
Yes. Our specialists handle misted and foggy glazing in homes, shops, offices, and other commercial buildings, and we plan the work to keep disruption to a minimum.
